Finding the Third Proportional to 728,640 and 1,493,568

Step by Step Solution

1. Step 1: Write the proportion equation
   728,640 : 1,493,568 = 1,493,568 : x
2. Step 2: Convert to fraction form
   728,640/1,493,568 = 1,493,568/x
3. Step 3: Cross multiply
   728,640x = 1,493,568 × 1,493,568
4. Step 4: Simplify right side
   728,640x = 2,230,745,370,624
5. Step 5: Solve for x
   x = 2,230,745,370,624/728,640
6. Step 6: Final answer
   x = 3,061,519.23